The Marketplace Fairness Act of 2013 (MFA) awaits consideration in the House, but that hasn’t prevented some states from amending their tax codes so they can take advantage of MFA if it becomes law. If it passes, MFA will grant states authority to require remote sellers, like online businesses, to collect sales tax. However, in order to exercise this authority, states must meet certain tax code simplification requirements.

This week both Colorado and Missouri took steps to meet MFA simplification requirements. Other states, like Maine and Wisconsin, are choosing not to wait for MFA. Instead these states are both debating their own Internet sales tax legislation.

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